<button class="button">Button</button>

<style>
/* From Uiverse.io by speadfreak  - Tags: button */
.button {
  background:
    linear-gradient(140.14deg, #ec540e 15.05%, #d6361f 114.99%) padding-box,
    linear-gradient(142.51deg, #ff9465 8.65%, #af1905 88.82%) border-box;
  border-radius: 7px;
  border: 2px solid transparent;

  text-shadow: 1px 1px 1px #00000040;
  box-shadow: 8px 8px 20px 0px #45090059;

  padding: 10px 40px;
  line-height: 20px;
  cursor: pointer;
  transition: all 0.3s;
  color: white;
  font-size: 18px;
  font-weight: 500;
}

.button:hover {
  box-shadow: none;
  opacity: 80%;
}

</style>
    